Respuesta :
Answer:
≈ 125.66 cm²
Step-by-step explanation:
The area (A) of the sector is calculated as
A = area of circle × fraction of circle
= πr² × [tex]\frac{225}{360}[/tex]
= π × 8² × [tex]\frac{5}{8}[/tex]
= 64π × [tex]\frac{5}{8}[/tex] = 8π × 5 = 40π ≈ 125.66 cm² ( to 2 dec. places )